S&s Cycle 640 Easy Start Camshaft Kit
S&s Cycle 640 Easy Start Camshaft Kit
About this product
About this product
Upgrade your engine's performance with the S&S Cycle 640 Easy Start Camshaft Kit. This kit delivers enhanced power and improved starting, making it an excellent choice for serious riders.
Description
The S&S Cycle 640 Easy Start Camshaft Kit is engineered to provide an easy start by temporarily reducing crank compression. Once the engine starts and RPM increases, the compression release lobe retracts, allowing the engine to run at full compression without any performance loss. This cam kit is designed for 95", 96", 103", and 110" engines with compression ratios between 10.5:1 and 11.5:1. Expect the strongest performance gains in the 3000 RPM - 6000 RPM range. Made in the USA with meticulous attention to detail, this kit offers reliable performance and durability. Whether you're looking for better throttle response or more power on the open road, the S&S Cycle 640 cam is a top choice for Harley-Davidson enthusiasts and professional builders alike. Installation requires careful attention to clearances.
Features & highlights
- Easy start design reduces cranking compression for effortless starts.
- Optimized for 95", 96", 103", and 110" engines with 10.5:1 to 11.5:1 compression ratios.
- Provides strongest performance gains in the 3000 RPM - 6000 RPM range.
- Ensures full compression and no performance loss once the engine is running.
- Made in the USA, ensuring high-quality materials and manufacturing.
- Includes an installation kit for straightforward installation.
Technical specifications
- Brand: S&S Cycle
- Product Name: Cam Kit
- Grind: 635 Series
- Type: Chain
- Application: Exhaust, Intake
- Exhaust Lift: 0.635"
- Exhaust Duration: 276°
- Exhaust Open: 58.5°
- Exhaust Close: 37.5°
- Intake Lift: 0.635"
- Intake Duration: 243°
- Intake Open: 19.5°
- Intake Close: 43.5°
Important to know
Please note the following requirements and limitations:
- Installer must check coil bind, valve-to-valve clearance, and valve-to-piston clearance.
- Not for models with OEM compression releases.
- High-lift springs and adjustable pushrods are required (not included).
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Specifications
S&S CYCLE
330-0331
Cam Kit
19,5°
0,635"
243°
43,5°
635 Series
58,5°
0,635"
276°
37,5°
Exhaust, Intake
Includes Installation Kit
Chain
Kit
Reviews
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Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.
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